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Assets Held for Sale - Additional Information (Detail) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 29, 2018 USD ($) Facility
Long Lived Assets Held For Sale [Line Items]
Impairment of Long-Lived Assets Held-for-Sale	$ 5.3
Tulsa, Oklahoma Plant
Long Lived Assets Held For Sale [Line Items]
Impairment of Long-Lived Assets Held-for-Sale		$ 0.5
Acquired Hostess Bread Assets Classified as Held for Sale
Long Lived Assets Held For Sale [Line Items]
Impairment of Long-Lived Assets Held-for-Sale	$ 4.6
Acquired Hostess Bread Assets Plants and Depots | Plants
Long Lived Assets Held For Sale [Line Items]
Number of Acquired Hostess Bread Assets to be sold | Facility		20
Acquired Hostess Bread Assets Plants and Depots | Depots
Long Lived Assets Held For Sale [Line Items]
Number of Acquired Hostess Bread Assets to be sold | Facility		36

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- Definition

Number of long lived assets held for sale.

+ References

No definition available.

+ Details

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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